Section 132.007 - Membership in Employees Retirement System(a) The Employees Retirement System of Texas may enter into agreements with the Interstate Mining Commission for participation in the retirement system and other benefit programs for state employees administered by the agency or agencies.(b) An agreement made under this section shall provide, as nearly as possible, for rights, contributions, obligations, and benefits comparable to those accorded employees of this state participating in or benefiting from the program involved.Tex. Nat. Res. Code § 132.007
Acts 1977, 65th Leg., p. 2639, ch. 871, art. I, Sec. 1, eff. 9/1/1977.